On a train journey to the city, I noticed this hand beside the railway line (Haultain Street, Eden Terrace). It turns out that it belongs to Bootleg Design, creators of themed interiors, 3D models, sets and props. From their website:
“Looking to make an impact with your visual display, advertising shoot, interactive exhibition or retail / entertainment centre? Or perhaps you need ‘ice’ that never melts, a piece of ‘chocolate’ 2 metres by 4 metres or a 3-dimensional sign promoting your products or company? Look no further.”
This hand is actually made of some kind of plastic, with a surface treatment imitating rust.